<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="标题" prop="title">
        <el-input v-model="queryParams.title" placeholder="请输入标题" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['blog:article:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
          v-hasPermi="['blog:article:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['blog:article:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
          v-hasPermi="['blog:article:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="articleList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="文章ID" align="center" prop="articleId" />
      <el-table-column label="作者昵称" align="center" prop="nickName" />
      <el-table-column label="标题" align="center" prop="title" :show-overflow-tooltip="true">
        <template #default="{ row }">
          <div style="white-space: nowrap; overflow: hidden; text-overflow: ellipsis;">
            {{ row.title }}
          </div>
        </template>
      </el-table-column>
      <el-table-column label="浏览量" align="center" prop="viewsCount" width="80" />
      <el-table-column label="点赞量" align="center" prop="likeCount" width="80" />
      <el-table-column label="收藏量" align="center" prop="collectCount" width="80" />
      <el-table-column label="评论量" align="center" prop="commentCount" width="80" />
      <el-table-column label="封面" align="center" prop="articleCover" width="150">
        <template slot-scope="scope">
          <el-image :src="scope.row.articleCover" style="width: 100px;" fit="contain" />
        </template>
      </el-table-column>
      <el-table-column label="状态" align="center" prop="status" width="80">
        <template slot-scope="scope">
          <el-blogTag>{{ articleStatus.find(item => parseInt(item.dictValue) === parseInt(scope.row.status)).dictLabel }}</el-blogTag>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['blog:article:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['blog:article:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改文章对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="用户ID" prop="userId">
          <el-input v-model="form.userId" placeholder="请输入用户ID" />
        </el-form-item>
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="MD内容">
          <editor v-model="form.mdContent" :min-height="192" />
        </el-form-item>
        <el-form-item label="HTML内容">
          <editor v-model="form.htmlContent" :min-height="192" />
        </el-form-item>
        <el-form-item label="摘要" prop="summary">
          <el-input v-model="form.summary" placeholder="请输入摘要" />
        </el-form-item>
        <el-form-item label="浏览量" prop="viewsCount">
          <el-input v-model="form.viewsCount" placeholder="请输入浏览量" />
        </el-form-item>
        <el-form-item label="点赞量" prop="likeCount">
          <el-input v-model="form.likeCount" placeholder="请输入点赞量" />
        </el-form-item>
        <el-form-item label="收藏量" prop="collectCount">
          <el-input v-model="form.collectCount" placeholder="请输入收藏量" />
        </el-form-item>
        <el-form-item label="评论量" prop="commentCount">
          <el-input v-model="form.commentCount" placeholder="请输入评论量" />
        </el-form-item>
        <el-form-item label="文章分类" prop="categoryId">
          <el-input v-model="form.categoryId" placeholder="请输入文章分类" />
        </el-form-item>
        <el-form-item label="文章标签" prop="tags">
          <el-input v-model="form.tags" placeholder="请输入文章标签" />
        </el-form-item>
        <el-form-item label="是否置顶" prop="isTop">
          <el-input v-model="form.isTop" placeholder="请输入是否置顶" />
        </el-form-item>
        <el-form-item label="是否评论" prop="isNeedComment">
          <el-input v-model="form.isNeedComment" placeholder="请输入是否评论" />
        </el-form-item>
        <el-form-item label="是否是草稿" prop="isDraft">
          <el-input v-model="form.isDraft" placeholder="请输入是否是草稿" />
        </el-form-item>
        <el-form-item label="封面" prop="articleCover">
          <el-input v-model="form.articleCover" placeholder="请输入封面" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listArticle, getArticle, delArticle, addArticle, updateArticle } from "@/api/blog/article";
import { listFrontData } from "@/api/system/dict/data";

export default {
  name: "blog-article-admin",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 文章表格数据
      articleList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        userId: null,
        title: null,
        mdContent: null,
        htmlContent: null,
        summary: null,
        viewsCount: null,
        likeCount: null,
        collectCount: null,
        commentCount: null,
        categoryId: null,
        tags: null,
        isTop: null,
        isNeedComment: null,
        isDraft: null,
        articleCover: null,
        status: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        userId: [
          { required: true, message: "用户ID不能为空", trigger: "blur" }
        ],
        categoryId: [
          { required: true, message: "文章分类不能为空", trigger: "blur" }
        ],
        createTime: [
          { required: true, message: "创建时间不能为空", trigger: "blur" }
        ],
        updateTime: [
          { required: true, message: "修改时间不能为空", trigger: "blur" }
        ],
      },
      articleStatus: []
    }
  },
  created() {
    this.getList();
    this.getArticleStatus();

  },
  methods: {
    /** 查询文章列表 */
    getList() {
      this.loading = true
      listArticle(this.queryParams).then(response => {
        this.articleList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    getArticleStatus() {
      listFrontData({
        dictType: "blog_article_status"
      }).then((res) => {
        this.articleStatus = res.rows;
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        articleId: null,
        userId: null,
        title: null,
        mdContent: null,
        htmlContent: null,
        summary: null,
        viewsCount: null,
        likeCount: null,
        collectCount: null,
        commentCount: null,
        categoryId: null,
        tags: null,
        isTop: null,
        isNeedComment: null,
        isDraft: null,
        articleCover: null,
        createTime: null,
        updateTime: null,
        status: null
      }
      this.resetForm("form")
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm")
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.articleId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.$router.push("/blog/admin/article/add")
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const articleId = row.articleId || this.ids
      this.$router.push("/blog/admin/article/edit/" + articleId)
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.articleId != null) {
            updateArticle(this.form).then(response => {
              this.$modal.msgSuccess("修改成功")
              this.open = false
              this.getList()
            })
          } else {
            addArticle(this.form).then(response => {
              this.$modal.msgSuccess("新增成功")
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const articleIds = row.articleId || this.ids
      this.$modal.confirm('是否确认删除文章编号为"' + articleIds + '"的数据项？').then(function () {
        return delArticle(articleIds)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess("删除成功")
      }).catch(() => { })
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('blog/article/export', {
        ...this.queryParams
      }, `article_${new Date().getTime()}.xlsx`)
    }
  }
}
</script>
